(doc) LOG4J2-1877: updated 'DefaultRolloverStrategy' documentation to include the default value of 'max' attribute
(doc) LOG4J2-1877: updated 'DefaultRolloverStrategy' documentation to include the default value of 'max' attribute

codescale/logging-log4j2,apache/logging-log4j2,GFriedrich/logging-log4j2,xnslong/logging-log4j2,GFriedrich/logging-log4j2,apache/logging-log4j2,codescale/logging-log4j2,codescale/logging-log4j2,xnslong/logging-log4j2,GFriedrich/logging-log4j2,xnslong/logging-log4j2,apache/logging-log4j2